According to the help files shipped with TBC, Jena SDB is not
supported yet. Jena TDB is in alpha, but the help files don't give
any instructions on how to use it. I'm not opposed to switching from
Jena RDB as long as I can query and insert triples, I just need the
appropriate documentation.
As for my MultiUnion stack trace that occurs when I use an
ExportToRDFFile module pointing to my .jenadb file, here it is:
java.lang.reflect.InvocationTargetException
at
org.topbraidcomposer.sparqlmotion.actions.AbstractExecuteSPARQLMotionAction
$1.run(Unknown Source)
at org.topbraidcomposer.core.util.ThreadUtil$1$1.run(Unknown Source)
at java.lang.Thread.run(Thread.java:613)
Caused by: java.lang.IllegalArgumentException: Could not write to /
CIEDETS_OWL/Databases/CIEDETS.jenadb: java.lang.ClassCastException:
com.hp.hpl.jena.graph.compose.MultiUnion
at
org.topbraid.sparqlmotion.lib.exportToRDFFile.ExportToRDFFileModule.execute
(Unknown Source)
at org.topbraid.sparqlmotion.engine.impl.ExecutionEngine.execute
(Unknown Source)
at org.topbraid.sparqlmotion.engine.impl.ExecutionEngine.executeModule
(Unknown Source)
at org.topbraid.sparqlmotion.engine.impl.ExecutionEngine.execute
(Unknown Source)
at
org.topbraidcomposer.sparqlmotion.views.console.SPARQLMotionConsole.execute
(Unknown Source)
... 3 more
Caused by: java.lang.ClassCastException:
com.hp.hpl.jena.graph.compose.MultiUnion
at org.topbraid.db.graphstore.DBGraphStore.save(Unknown Source)
at org.topbraid.core.io.IO.write(Unknown Source)
at org.topbraid.core.io.IO.write(Unknown Source)
... 8 more
Thanks,
Kev
On Sep 28, 2:54 pm, Holger Knublauch <[email protected]> wrote:
> Hi Kevin,
>
> we are removing support for the old .jenadb. Please look into Jena SDB
> or TDB as alternatives, and both have dedicated SPARQLMotion modules.
>
> Regarding the error message with MultiUnion, please send the complete
> stack trace (from the Error Log?).
>
> Thanks,
> Holger
>
> On Sep 28, 2009, at 11:48 AM, Kevin Matthews wrote:
>
>
>
> > I am trying to write a SparqlMotion script that constructs some new
> > triples and inserts them into a Jena database that is running on our
> > network, but I am having problems doing so.
>
> > Right now I have a very simple SparqlMotion script that contains one
> > module that constructs a test triple connected to one module that
> > attempts to insert that triple into my ontology on a Jena database.
> > When the second module is of type ExportToRDFFile, I get this error:
>
> > Could not write to /CIEDETS_OWL/Databases/CIEDETS.jenadb:
> > java.lang.ClassCastException: com.hp.hpl.jena.graph.compose.MultiUnion
>
> > When the second module is of type ExportToOracleRDFDatabase, I get
> > this error:
>
> > Invalid Oracle URL.
>
> > It seems there are export modules for Oracle, Sesame, text files, and
> > spreadsheets, but none for Jena. What am I missing?
>
> > Thanks,
>
> > Kev
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